Articles tagged with Additive Manufacturing
Researchers at UCL and the University of Greenwich developed a new technique using X-ray imaging to observe imperfections in 3D printed metal alloy components. Applying a magnetic field during the manufacturing process reduced pore formation by 80%, resulting in stronger and more durable components.
The article reviews additive manufacturing technology for biomedical metals, enabling customized implants with precise internal structures. It highlights the integration of AI and 4D printing, addressing challenges in production costs, regulatory compliance, and post-processing.
Scientists from ISTA create thermoelectric coolers with improved performance and reduced waste by 3D printing materials, offering potential for medical applications and energy harvesting. The innovative method reduces production costs and enhances material properties.
A team of researchers at the University of Washington has developed a novel method for 3D printing objects using a mixture of coffee grounds, brown rice flour, and Reishi mushroom spores. The resulting material is compostable, lightweight, and strong, with a density similar to that of polystyrene foam.
Researchers at Worcester Polytechnic Institute are developing a lightweight, flexible robotic arm that enables wheelchair users to safely grasp and carry objects out of reach. The project builds on origami-inspired designs and novel fabrication methods for modules made of lightweight plastics, 3D printed components, and sensors.
Engineers at the University of Pennsylvania and Aarhus University found that introducing just the right amount of disorder can increase the toughness of certain materials by 2.6 times. This discovery opens up new possibilities for widespread use of so-called mechanical metamaterials.
Researchers developed a new stainless-steel alloy that preserves material strength without relying on nickel. By using additive manufacturing and combining austenitic and ferritic stainless steels, the team created bimetallic structures with improved hardness and strength.
MIT engineers have developed a fully 3D-printed electrospray engine that can be produced rapidly and at a lower cost than traditional thrusters. The device generates stable and uniform flow of propellant, producing as much or more thrust than existing droplet-emitting electrospray engines.
Researchers have developed an embedded 3D-printing technique that allows for the rapid production of fine, continuous, and soft fibers in gel. The method uses a solvent exchange approach to inhibit capillary breakup from surface tension, achieving resolutions as low as 1.5 microns.
Researchers have developed a holographic method for volumetric additive manufacturing that significantly reduces energy required and boosts resolution. The technique involves projecting three-dimensional holograms onto spinning resin vials, resulting in high-fidelity 3D-printed objects with exceptional accuracy.
Cornell researchers discover way to control metal solidification transformations by adjusting alloy composition, leading to improved strength and reliability of printed metal parts. The method involves disrupting column-like grain growth, significantly reducing grain size and improving yield strength.
Researchers have developed a 3D printing technique to create liquid crystal elastomers with controllable alignment, leading to new possibilities for shape-morphing materials. By tuning nozzle design, print speed, and temperature, they achieved uniform molecular-scale alignment, translating to prescribed mechanical behavior.
Researchers at Virginia Tech have discovered a new solid lubricating mechanism that can reduce friction in machinery at extremely high temperatures. The novel coating has the potential to make components from rockets to semiconductors more safe, durable, and cost-effective.
Scientists at SUTD have created innovative architectures for direct ink writing to fabricate complex bio-inspired structures, including lattices, webs, and leaf-like structures. These novel materials exhibit remarkable properties, such as improved suction force and energy absorption.
The breakthrough uses 3D and 4D printing to create complex geometries with high precision, enabling the fabrication of electromagnetic metamaterials. This has led to enhanced performance in applications such as antennas, invisibility cloaks, imaging, and wireless power transfer.
Establishing a permanent lunar presence will depend on the use of AI, robotics, and 3D printing to adaptively respond to challenges. The moon's natural resources, such as regolith, can also reduce the need for Earth-launched supplies.
Researchers used 3D printing to make headlight lenses, achieving exceptional precision and surface quality while reducing costs and production speeds. The study compared 3D printing with traditional methods like CNC machining and reverse engineering, finding that 3D printing outperformed them in efficiency and cost-effectiveness.
Researchers from ETH Zurich developed hygroscopic wall and ceiling components that can significantly reduce humidity in heavily used indoor spaces, resulting in a 75% reduction in discomfort index compared to conventional painted walls.
Researchers propose a novel strategy for highly controllable micro-nano fabrication using focal volume optics in transparent solids. The approach enables the creation of composite structures with finer structures and tunable properties, opening up new avenues for photonics and nanophotonics applications.
Researchers developed novel 3D printed PLA-CaP scaffolds that support angiogenesis, reducing bone scarring and improving healing outcomes. In vitro tests showed stimulated vascular endothelial growth factor secretion and maintained calcium ion release, while in vivo testing demonstrated good integration and blood vessel infiltration.
Researchers at Tohoku University successfully prototyped the world's first full-scale automotive multi-material component, a suspension tower made of steel and aluminum with tailored geometry. The breakthrough in Laser Powder Bed Fusion (L-PBF) technique allows for strong bonding interfaces without brittle intermetallic compounds.
Researchers have developed a 3D concrete printing system that captures and stores carbon dioxide, offering a promising alternative to traditional cement-based construction methods. The innovation improves printability, increases strength, and enhances mechanical properties, resulting in stronger and more eco-friendly buildings.
Princeton engineers create soft plastics with programmed stretchiness and flexibility that are also recyclable and inexpensive. The material's internal structure is controlled to achieve stiffness and stretchiness in different regions of an object.
Researchers at PNNL have developed a solid phase alloying process that converts metal scrap into high-performance aluminum products in a single step. The process, called ShAPE, produces high-strength alloys with unique nanostructures and improved properties compared to conventional recycled aluminum.
At Oak Ridge National Laboratory, 104 researchers have reached this milestone. The honorees are working on strategies including advanced manufacturing and carbon management.
A team of researchers at Penn State developed a novel bioprinting technique that uses spheroids to create complex tissue, producing tissue 10-times faster and with high cell density. The technique enables the rapid fabrication of functional tissues and organs, opening new opportunities for regenerative medicine.
Researchers at Oregon State University have developed a new 3D printing technique that allows for the creation of shape-changing materials with muscle-like properties. These materials can crawl, fold, and snap directly after printing, enabling their use in implantable medical devices, soft robotics, and energy storage applications.
Researchers at Johns Hopkins University Applied Physics Laboratory have created a shape-shifting antenna that can change its shape based on temperature, transforming communications capabilities. The technology has transformative potential in military, scientific and commercial applications, enabling dynamic RF band adaptability.
The MIT team fabricated a simple water filter modeled after the mobula ray's plankton-filtering features and studied its performance. They found that the ray's filtering features are broadly similar to industrial cross-flow filters, which could inform design of water treatment systems.
Researchers at UW–Madison developed an approach to simultaneously mitigate three types of defects – pores, rough surfaces, and large spatters – in metal parts produced using laser powder bed fusion. This breakthrough enables the production of high-quality parts with increased manufacturing productivity.
Researchers at Texas A&M University have developed a method to break down condensation polymers in plastics using solvents and liquid organic hydrogen carriers, producing aromatic compounds that can be used as fuels. This breakthrough has potential implications for the sustainability of the chemical industry and reducing global warming.
Scientists have successfully synthesized a multiscale NiFeMn alloy through additive manufacturing combined with chemical dealloying, offering a new route for discovering novel materials. The integrated approach enables efficient diffusion of metals, allowing for bulk samples to be prepared without extended dealloying time.
Researchers have developed an ultra-strong, ductile alloy using 3D printing technology, which combines the benefits of refractory metals like NbTiZr. The oxygen-doped blend creates a unique combination of strength and flexibility, making it ideal for aerospace and medical applications.
Researchers develop novel Ta-based implants with improved biocompatibility and osseointegration properties, enabling better bone growth and stability. The designs optimize mechanical and biological requirements for optimal clinical results.
A team of biomedical engineers from the University of Melbourne has developed a groundbreaking 3D printing system that can fabricate complex human tissues in just seconds. This technology significantly improves the potential to predict and develop new pharmaceutical therapies, reducing the need for animal testing.
University of Texas at Dallas researchers have designed a 3D-printed femur that can help doctors prepare for surgeries and develop treatments for bone tumors. The bone replica is made of polylactic acid, a bio-based polymer, and performed as well as a human femur in biomechanical tests.
Researchers have developed a machine learning-based approach to detect keyhole pores in laser powder bed fusion (LPBF) metal 3D printing, achieving over 90% accuracy. The method uses simple light and sound sensors to monitor the printing process and accurately detect defects with a temporal resolution of 0.1 milliseconds.
Researchers at Duke University have developed a polymer that can be used in commercial 3D printers without solvent, leading to major advantages across different applications. The new solvent-free material has been shown to improve mechanical properties while maintaining biodegradability.
Researchers developed a more sustainable 3D-printed concrete material combining graphene with limestone and calcined clay cement. The new material offers enhanced strength and durability while significantly reducing carbon emissions, making it a powerful solution for addressing environmental challenges in 3D printed construction.
Researchers developed MobiPrint, a mobile 3D printer that can measure and print objects onto the floor. The system can add accessibility features, such as tactile markers, and create custom objects like art pieces.
Researchers at MIT have successfully fabricated fully 3D-printed resettable fuses, key components of active electronics that require semiconductors. The devices use a copper-doped polymer material to regulate resistance and can be used for basic control operations like motor speed regulation.
Researchers at KTH Royal Institute of Technology have developed a novel 3D printing method to fabricate glass micro-supercapacitors with enhanced performance. The approach utilizes ultrashort laser pulses to create electrodes with increased surface area and rapid ion transport, leading to improved energy storage capabilities.
A team of scientists developed a new method for 3D nanolithography using low peak power laser oscillators, enabling the creation of non-photosensitized materials without photo-initiators. Wavelengths of 517 nm, 780 nm, and 1035 nm are suitable for producing 300 nm polymerized features with high linear writing speeds.
Concordia researchers develop a novel method of 3D printing using acoustic holograms, capable of creating complex objects quickly and at once. This technique, called holographic direct sound printing (HDSP), stores information of multiple images in a single hologram, allowing for the creation of multiple objects simultaneously.
Iowa State University researchers are using additive manufacturing, also known as 3D printing, to create tungsten shields and components that can withstand high temperatures and radiation in nuclear reactors. The goal is to improve the efficiency of nuclear power and reduce costs.
Researchers create interlocking glass bricks that can withstand pressures similar to concrete blocks, aiming to reduce embodied carbon in construction. The 3D-printed bricks are designed to be reused and repurposed, promoting a circular construction method.
Researchers at Singapore University of Technology and Design have successfully printed 3D photonic crystals using titanium resin, achieving a complete photonic bandgap across the visible spectrum. This breakthrough enables precise control of light, opening up possibilities for advancements in telecommunications, sensing, and quantum te...
Scientists at ORNL identified a new method to process nanocellulose, reducing energy needs by 21% and lowering production costs. The breakthrough enables the development of sustainable, carbon-neutral materials for 3D printing and construction.
By combining design schemes with robotic additive manufacturing, researchers increased crack resistance in concrete by up to 63% compared to conventional cast concrete. The technique relies on mechanisms that shield cracks, interlock fractured surfaces, or deflect cracks from a straight path.
Researchers develop wavelength-independent 3D polymerisation using low peak power laser oscillators, enabling rapid and efficient printing of non-photosensitized materials. The method uses high pulse repetition rate oscillators to achieve localized photo-crosslinking and controlled energy deposition per focal volume.
Researchers at Graz University of Technology developed two techniques to join wood with metals and polymer composites without adhesives or screws. The AddJoining technique uses 3D printing to create strong joints, while the Ultrasonic Joining method employs high-frequency vibration to melt polymer into wood pores. These methods show pr...
Researchers use high-energy synchrotron X-ray to study spatter dynamics during LPBF, revealing links between vapour depression shape and spatter interactions. The study proposes strategies to minimize defects, improving the surface quality of LPBF-manufactured parts.
Researchers at Washington State University developed an AI algorithm that optimizes 3D printing settings, reducing time and cost for engineers. The algorithm improved the accuracy and quality of printed models, particularly for complex biomedical devices like kidneys and prostates.
Researchers at POSTECH have developed an innovative approach to enhance the efficiency of thermoelectric materials by altering their geometry to resemble an hourglass shape. This breakthrough could lead to widespread applications in thermoelectric power generation, converting waste heat into electricity.
A research project, ACCELERATE, aims to significantly reduce operational qualification time and cost in additive manufacturing by improving validation through detailed tasks and documentation. The project will tackle various aspects of AM operations, including facility controls, operator training, software configuration, and process mo...
Researchers at Dartmouth College developed a technique using light to imprint 2D and 3D images inside any polymer containing a photosensitive chemical additive. The technology enables the creation of erasable 3D displays with high resolution, applicable in surgeries, architectural designs, education, and art.
A research team at Heidelberg University has successfully developed a new generation of biocompatible materials for additive manufacturing using microalgae. The materials were extracted from the raw materials of diatom and green alga species and proved to be suitable as inks for high-resolution 3D laser printing.
This innovative system combines remote health monitoring and drug delivery using 3D-printed hollow microneedles, advancing personalized medicine. The integrated theranostic microneedle array measures key health indicators like pH, glucose, and lactate levels, while enabling rapid, pumpless, and point-of-care drug administration.
A team of scientists created a new method to 3D print vascular networks that mimic naturally occurring blood vessels. After perfusion, the printed biomimetic vessels displayed healthy and functional heart tissue responses, including synchronization with cardiac drugs.
A UVA research team introduces a game-changing additive to 3D-printed concrete, enhancing its printability and mechanical properties. The study demonstrates the potential for more resilient and eco-friendly construction practices using cellulose nanofibrils.